nanocore | 1033aefc071d6249320695a584a5db2c39117c3e3d6635423d560ce3edfc2382

General

Target

Zhn-x560.exe
Size

1.0MB
MD5

8ed51302c2a028d072bc78ad727108d9
SHA1

2d0efc98916ef84b948b0539c41f40dbf27f288f
SHA256

2b7a912fed6d5cec866c8887476393056508909f8468c23ccd201ae52b770738
SHA512

6a97921492c363553b923b1b933aaf604eb2be8d0b53330dfb3ecf06d67c1ad7ded782b2dd30c43ace976f3c5f55e85dda7dff1675769dc6d7b3c1a420bb5800
SSDEEP

12288:+p4YyDipAhZKG367go9LhnB7v5JckUNKiXx+oP1NM7EUbOF8nL2PFfq5Q+q58:+p4YMewTaLftyKiXsqEzb+NpqU8

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

robertjoe607.ddns.net:1987

Mutex

3b928790-243f-46ea-931c-42154cd292bb

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-14T18:34:22.190897536Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
1987
default_group
joe
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
3b928790-243f-46ea-931c-42154cd292bb
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
robertjoe607.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	Zhn-x560.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Zhn-x560.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4004 set thread context of 3644	4004	Zhn-x560.exe	92

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
316	schtasks.exe
3788	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4004	Zhn-x560.exe
3644	Zhn-x560.exe
3644	Zhn-x560.exe
3644	Zhn-x560.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3644	Zhn-x560.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4004	Zhn-x560.exe
Token: SeDebugPrivilege	3644	Zhn-x560.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 316	4004	Zhn-x560.exe	90
PID 4004 wrote to memory of 316	4004	Zhn-x560.exe	90
PID 4004 wrote to memory of 316	4004	Zhn-x560.exe	90
PID 4004 wrote to memory of 3644	4004	Zhn-x560.exe	92
PID 4004 wrote to memory of 3644	4004	Zhn-x560.exe	92
PID 4004 wrote to memory of 3644	4004	Zhn-x560.exe	92
PID 4004 wrote to memory of 3644	4004	Zhn-x560.exe	92
PID 4004 wrote to memory of 3644	4004	Zhn-x560.exe	92
PID 4004 wrote to memory of 3644	4004	Zhn-x560.exe	92
PID 4004 wrote to memory of 3644	4004	Zhn-x560.exe	92
PID 4004 wrote to memory of 3644	4004	Zhn-x560.exe	92
PID 3644 wrote to memory of 3788	3644	Zhn-x560.exe	93
PID 3644 wrote to memory of 3788	3644	Zhn-x560.exe	93
PID 3644 wrote to memory of 3788	3644	Zhn-x560.exe	93

C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe
"C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lEsuaBGK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAAD1.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:316
- C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe
  "C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3644
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAD62.tmp"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Zhn-x560.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAAD1.tmp

Filesize
1KB

MD5
7c8f2dd9fd2bb4f38252823e14e46d83

SHA1
6308a62b560eaf17ac821098984f899370516819

SHA256
ef1166ff712e6d5b6c0271dea920f6e01c33cd2b01c9ee98cb44a081a1b6f763

SHA512
8e609ea94bacba6ea006b541a471c23ae387c3ee1fa4b8039c1d9daca42a006507c76af80c0b58c215a80efce8cceedffd6c645b11ed104fbd6d6106d6a6aba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAD62.tmp

Filesize
1KB

MD5
ec0196350a484d1d0818621ffcf39b33

SHA1
76ff61cc03ac77270760132057eb12612eca9beb

SHA256
63f1d86405afd49db32b4cec03400c3b8cae7bc7bcb1d81287525919b8e4a0cf

SHA512
aa114d5554b78fa8aa88d2d4279dded70a60ca1ecb4c46b7ded6828724e8249c7d1a314b1499e4cd8ea8742949a439d3c85dd4c288a527a0bd5e06761beaf56d

Download Submit
memory/3644-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3644-31-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/3644-30-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/3644-29-0x00000000066B0000-0x00000000066BA000-memory.dmp

Filesize
40KB

Download
memory/3644-28-0x0000000005780000-0x000000000579E000-memory.dmp

Filesize
120KB

Download
memory/3644-27-0x0000000005670000-0x000000000567A000-memory.dmp

Filesize
40KB

Download
memory/3644-22-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/3644-21-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/4004-8-0x0000000005340000-0x000000000534A000-memory.dmp

Filesize
40KB

Download
memory/4004-3-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/4004-1-0x0000000000450000-0x000000000055A000-memory.dmp

Filesize
1.0MB

Download
memory/4004-11-0x0000000000EE0000-0x0000000000F48000-memory.dmp

Filesize
416KB

Download
memory/4004-10-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/4004-20-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/4004-9-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/4004-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/4004-2-0x0000000004F50000-0x0000000004FEC000-memory.dmp

Filesize
624KB

Download
memory/4004-7-0x0000000005230000-0x0000000005286000-memory.dmp

Filesize
344KB

Download
memory/4004-6-0x0000000074560000-0x0000000074D10000-memory.dmp

Filesize
7.7MB

Download
memory/4004-5-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/4004-4-0x0000000005090000-0x0000000005122000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads